111 lines
3.0 KiB
Ruby
111 lines
3.0 KiB
Ruby
require 'fileutils'
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# We enhance FileUtils to make our Formula code more readable.
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module FileUtils
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# Create a temporary directory then yield. When the block returns,
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# recursively delete the temporary directory.
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def mktemp(prefix=name)
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# I used /tmp rather than `mktemp -td` because that generates a directory
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# name with exotic characters like + in it, and these break badly written
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# scripts that don't escape strings before trying to regexp them :(
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# If the user has FileVault enabled, then we can't mv symlinks from the
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# /tmp volume to the other volume. So we let the user override the tmp
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# prefix if they need to.
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tempd = with_system_path { `mktemp -d #{HOMEBREW_TEMP}/#{prefix}-XXXXXX` }.chuzzle
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raise "Failed to create sandbox" if tempd.nil?
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prevd = pwd
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cd tempd
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yield
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ensure
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cd prevd if prevd
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ignore_interrupts{ rm_r tempd } if tempd
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end
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module_function :mktemp
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# A version of mkdir that also changes to that folder in a block.
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alias_method :old_mkdir, :mkdir
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def mkdir name, &block
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old_mkdir(name)
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if block_given?
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chdir name do
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yield
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end
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end
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end
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module_function :mkdir
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# The #copy_metadata method in all current versions of Ruby has a
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# bad bug which causes copying symlinks across filesystems to fail;
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# see #14710.
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# This was resolved in Ruby HEAD after the release of 1.9.3p194, but
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# never backported into the 1.9.3 branch. Fixed in 2.0.0.
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# The monkey-patched method here is copied directly from upstream fix.
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if RUBY_VERSION < "2.0.0"
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class Entry_
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alias_method :old_copy_metadata, :copy_metadata
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def copy_metadata(path)
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st = lstat()
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if !st.symlink?
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File.utime st.atime, st.mtime, path
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end
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begin
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if st.symlink?
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begin
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File.lchown st.uid, st.gid, path
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rescue NotImplementedError
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end
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else
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File.chown st.uid, st.gid, path
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end
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rescue Errno::EPERM
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# clear setuid/setgid
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if st.symlink?
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begin
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File.lchmod st.mode & 01777, path
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rescue NotImplementedError
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end
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else
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File.chmod st.mode & 01777, path
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end
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else
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if st.symlink?
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begin
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File.lchmod st.mode, path
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rescue NotImplementedError
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end
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else
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File.chmod st.mode, path
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end
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end
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end
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end
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end
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private
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# Run scons using a Homebrew-installed version, instead of whatever
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# is in the user's PATH
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def scons *args
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system Formulary.factory("scons").opt_bin/"scons", *args
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end
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def rake *args
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system RUBY_BIN/'rake', *args
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end
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alias_method :old_ruby, :ruby if method_defined?(:ruby)
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def ruby *args
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system RUBY_PATH, *args
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end
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def xcodebuild *args
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removed = ENV.remove_cc_etc
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system "xcodebuild", *args
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ensure
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ENV.update(removed)
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end
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end
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